Question about Sony FD Trinitron WEGA KV-27FS100 27" TV

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Squeeling/hissing sound squeelin sound

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Steve Allison

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You are losing high voltage; if you sniff around the top or back of the set, you may smell ozone.
Pull the AC plug on the set overnight, remove the few screws holding the rear housing on, use a CLEAN (or new cheap) paint brush and if you have a vacuum with a hose, bring it along too. The CRT (picture tube) will be nasty, full of dust that is picking up moisture and creating a path for the high voltage to discharge and you need to clean it with the brush and it's better if you hold the vacuum hose close by so you can **** up the dust loosened by the brush. 
If you clean it well (dry, not wet), the problem should be gone.   

Posted on May 11, 2009

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